import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

public class Test2 {

    public static void main(String[] args) throws InterruptedException, ExecutionException {
        Callable<Integer> callable = new Callable<Integer>() {
            @Override
            public Integer call() throws Exception {
                int count = 0;
                for(int i=0;i<5000;i++) {
                    count++;
                }
                return count;
            }
        };
        FutureTask futureTask = new FutureTask(callable);
        Thread t = new Thread(futureTask);
        t.start();
        t.join();
        System.out.println(futureTask.get());
    }
}
